12010100002121 has 16 divisors (see below), whose sum is σ = 13696954516224. Its totient is φ = 10432453188864.

The previous prime is 12010100002099. The next prime is 12010100002133. The reversal of 12010100002121 is 12120000101021.

It is a de Polignac number, because none of the positive numbers 2^k-12010100002121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010100002181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2932535 + ... + 5711388.

It is an arithmetic number, because the mean of its divisors is an integer number (856059657264).

Almost surely, 2^{12010100002121} is an apocalyptic number.

It is an amenable number.

12010100002121 is a deficient number, since it is larger than the sum of its proper divisors (1686854514103).

12010100002121 is a wasteful number, since it uses less digits than its factorization.

12010100002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650240.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010100002121 its reverse (12120000101021), we get a palindrome (24130100103142).

The spelling of 12010100002121 in words is "twelve trillion, ten billion, one hundred million, two thousand, one hundred twenty-one".